9" Electronic Level Fowler's 9 Level provides instant 4 x 90° digital inclination display. . With embedded magnets on its measuring surface, a beam-splitter projected a 90° cross hair for leveling at-a-distance. . It also includes a 1/4-20 mount for tripod use.. Features:. Measuring range: 4 x 90°. Resolution: .05°. Accuracy: ±.1°. Repeatability: ±.05. Standard 9 volt battery (250 hours life). Dimensions: 9L x 1W x 2-1/4H. Includes two-way level and plumb vials.. Reversible reading for inverted use. 74-440-600 Prop65 information pending -